Amidst arctic temperatures descending on the Midwest lately, a retired Iowa woman lost her footing while fetching her mail. She fell on the sidewalk and was unable to get up. It could have ended much worse for 73-year-old Linda Houlton had it not been for a local mailman who stopped and helped her. On that cold January day with minus-5-degree-Fahrenheit windchills, the former medical insurance clerk treaded carefully down her icy-laden drive before slipping in front of her house in Des Moines. “I got the mail, but when I came back, I hit ice and fell face-first on the sidewalk, and from that point I couldn’t get back up,” she told The Epoch Times. “My boots wouldn’t let my legs underneath me.” She laid there on the freezing concrete for 19 minutes, she said, adding that it saddened her that no motorists even stopped to ask if she was okay. “Until …